CN107374733B

CN107374733B - Operation trolley

Info

Publication number: CN107374733B
Application number: CN201710641755.3A
Authority: CN
Inventors: 李志强; 其他发明人请求不公开姓名
Original assignee: Chengdu Borns Medical Robotics Co Ltd
Current assignee: Chengdu Borns Medical Robotics Co Ltd
Priority date: 2017-07-31
Filing date: 2017-07-31
Publication date: 2021-07-13
Anticipated expiration: 2037-07-31
Also published as: CN107374733A

Abstract

The invention provides an operation trolley which comprises a stand column, wherein at least one side of the upper end of the side wall of the stand column is connected with a rope head seat used for fixing one end of a steel wire rope, the rope head seat comprises a horizontal part and a vertical part connected with the horizontal part, the vertical part is connected with the side wall of the stand column, and one end of the steel wire rope is fixed on the horizontal part. The operation trolley has the advantages of simple structure, reliable and convenient operation and high operation stability, and simultaneously, the stability and the safety of the steel wire rope head seat are further enhanced, and the fault of the operation trolley caused by the falling of the steel wire rope head seat is prevented.

Description

Operation trolley

Technical Field

The invention relates to the field of medical instruments, in particular to an operation trolley.

Background

With the increasing scientific level and the advancement of medicine, surgical robots are playing an increasingly important role in daily surgical operations. In the surgical operation requiring high precision and accuracy, if an operation accident is caused by instability of the operation trolley, irreparable consequences can be caused, so that the requirement on the stability of the operation trolley is self-evident, and the requirement on the stability of the operation trolley is higher and higher.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an operation trolley which is high in operation stability, further enhances the stability and safety of a steel wire rope head seat, and prevents the operation trolley from faults caused by falling off of the steel wire rope head seat.

In order to achieve the above purpose, the present invention provides an operation trolley, wherein the operation trolley comprises a vertical column, at least one side of the upper end of the side wall of the vertical column is connected with a rope head seat for fixing one end of a steel wire rope, the rope head seat comprises a horizontal part and a vertical part connected with the horizontal part, the vertical part is connected with the side wall of the vertical column, and one end of the steel wire rope is fixed on the horizontal part.

The operation trolley is characterized in that a projection is convexly arranged at the upper end of the side wall of the upright post, and the projection is connected with the vertical part.

The surgical trolley is characterized in that the lug is connected with the vertical part through a plurality of screws and a pin shaft arranged between two adjacent screws. Through the connection of a plurality of screws and a plurality of round pin axle modes, under the condition that the screw takes place to become invalid, because there is the round pin hub connection still between lug and the vertical portion, this can also further guarantee that the wire rope headstock is stable safe.

The operation trolley is characterized in that the two sides of the upper end of the side wall of the upright post are respectively connected with the rope head seat, and the other end of the steel wire rope sequentially bypasses the movable pulley and the fixed pulley and is connected to the balancing weight.

The operation trolley is characterized in that a guide rail is arranged on the side wall of the upright post, a sliding block is arranged on the guide rail, the sliding block is connected with the movable pulley, and the sliding block is connected with a mechanical arm of the operation trolley through a base.

The operation trolley is characterized in that the upright post is provided with a plurality of weight reduction grooves.

The surgical trolley of any preceding claim, wherein the base is connected to the robotic arm by a flange.

The operation trolley is further provided with a braking mechanism for controlling the fixed pulley to rotate.

The operation trolley is characterized in that at least one side of the upper ends of the four side walls of the upright post is respectively provided with the rope head seat.

The operation trolley as described above, wherein the lower part of the upright post is connected with the base of the operation trolley, and the bottom of the base is provided with rolling wheels and a brake mechanism for controlling the rolling wheels to roll.

The operation trolley has the advantages of simple structure, reliable and convenient operation and high operation stability, and simultaneously, the stability and the safety of the steel wire rope head seat are further enhanced, and the fault of the operation trolley caused by the falling of the steel wire rope head seat is prevented.

The features mentioned above can be combined in various suitable ways or replaced by equivalent features as long as the object of the invention is achieved.

Drawings

The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:

FIG. 1 is a schematic view of the construction of the surgical trolley of the present invention;

FIG. 2 is a schematic structural view of the body of the surgical cart of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the drawings, like parts are provided with like reference numerals. The drawings are not to scale.

Detailed Description

The invention will be further explained with reference to the drawings.

The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations of the invention, which may be considered to be within the scope of the invention, will occur to those skilled in the art upon studying the disclosure and the accompanying drawings, and the invention will be further described below.

Fig. 1 to 3 are a schematic configuration diagram of a surgical cart, a schematic configuration diagram of a body of the surgical cart, and an enlarged view of a portion a in fig. 2, respectively, according to the present invention.

As shown in fig. 1, the surgical cart includes: base 110, body 120, arm 130, control cabinet 140, wherein, the bottom of base 110 is provided with a plurality of truckles in order to make things convenient for operating personnel to remove this operation platform truck 100 at any time according to the operation needs, be provided with foot bearing structure on some truckles, after removing operation platform truck 100 to the assigned position, step on the braking plate (not shown in the figure), foot bearing structure stretches out downwards and contacts with the ground, and through the gravity of operation platform truck 100 self and the rubber pad of contact surface, produce great frictional force, make operation platform truck 100 can stably place. A body 120 is fixed to the base 110, and a robot arm 130 is coupled to the body 120.

As shown in fig. 2 and 3, the body 120 includes a column 121, a rope head base 122 (also referred to as a rope head base 122) is connected to at least one side of an upper end portion of a sidewall of the column 121, the rope head base 122 is used for fixing one end of a rope 123 thereon, the rope head base 122 includes a horizontal portion 1221 and a vertical portion 1222 connected to the horizontal portion 1221, the vertical portion 1222 is connected to the sidewall of the column 121, and one end of the rope 123 is fixed to the horizontal portion 1221.

Specifically, in this embodiment, a protrusion 1211 is protruded from an upper end of a sidewall of the upright 121, the protrusion 1211 is connected to the vertical portion 1222, and in a specific embodiment, the protrusion 1211 is connected to the vertical portion 1222 by a plurality of screws 4 and a plurality of pins 5, wherein the pins 5 are disposed between two adjacent screws 4. The connection between the rope head seat 122 and the upright column 121 is further increased by adopting a mode that the screw 4 and the pin shaft 5 (also called as a safety pin shaft) are arranged at intervals, and when the screw 4 fails, the pin shaft 5 is still arranged between the rope head seat 122 and the upright column 121 for connection, so that the rope head seat 122 is prevented from falling off. In a specific embodiment, as shown in fig. 3, the protrusion 1211 is connected to the vertical portion 1222 through two screws 4 and one pin 5, and the connection in this way can ensure the stability and safety of the rope head seat 122 in case of failure of the screws 4, that is, the two screws 4 and the pin 5 of the rope head seat are designed as redundancy, and of course, in other embodiments, other numbers of screws 4 and pins 5 may be provided, that is, the number of the screws 4 may be 3, 5 or other, and no specific limitation is made herein.

As shown in fig. 2, the two sides of the sidewall of the upright column 121 are both connected with the rope head bases 122, the other end of the steel wire rope 123 sequentially bypasses the movable pulley 6 and the fixed pulley 7, the fixed pulley 7 is disposed on the upper portion of the movable pulley 6, in a specific embodiment, two steel wire rope grooves are disposed on the fixed pulley 7, two steel wire ropes on the sidewall of the upright column 121 bypass the same fixed pulley 7, that is, one end of the first steel wire rope is fixed on the rope head base 122 on the left side, the other end of the first steel wire rope sequentially bypasses the steel wire rope grooves on the left sides of the movable pulley 6 and the fixed pulley 7 on the left side. One end of the second steel wire rope is fixed on the right rope head seat 122, the other end of the second steel wire rope sequentially bypasses the right steel wire rope grooves of the right movable pulley 6 and the right fixed pulley 7, and the other end of the second steel wire rope is connected with the balancing weight.

In a specific embodiment, a vertical guide rail (also referred to as a vertical guide rail) is disposed on a side wall of the upright, a slider 8 is slidably disposed on the guide rail, and a base 9 for mounting the robot arm 130 is fixedly disposed on the slider 8. In this embodiment, the base 9 is integrally formed with the slider 8, and the up-and-down movement of the robot arm 130 is realized by moving the slider 8 on the guide rail to move the base 9 on the guide rail, in this embodiment, the movable pulley 6 is connected with the slider 8, specifically, the connecting block 10 is protruded above the part where the slider 8 and the base 9 are integrally formed, and the connecting block 10 is connected with the two movable pulleys 6. In this embodiment, in order to allow the mechanical arm 130 to be statically disposed at a certain height of the upright 121, the weight block is connected to the other end of the wire rope 123, wherein the weight block can slide on the inner guide rail (weight guide rail), the wire rope 123 bypasses the movable pulley 6, and the mechanical arm 130 is connected to the movable pulley 6 through the base 9 and the connecting block 10, so as to balance the weight of the mechanical arm 130 through the weight block, and thus, the sliding block 8 can be stably located at a certain position. Further, in the electric mode, the operator operates the motor to rotate, the motor drives the fixed pulley 7 to rotate, the fixed pulley 7 drives the movable pulley 6 to slide up and down through the steel wire rope, the movable pulley 6 drives the sliding block 8 to slide up and down on the guide rail, so that the mechanical arm 130 moves up and down, when the mechanical arm 130 moves up, the counterweight block slides down on the counterweight guide rail, and when the mechanical arm 130 moves down, the counterweight block slides up on the counterweight guide rail. When the mechanical arm 130 is manually operated to move up and down, the operator can operate the vertical upgrade of the mechanical arm 130 with a small force due to the weight of the counter weight balancing the weight of the mechanical arm 130. Additionally, through the movable pulley system, the weight (1/2 mechanical arm weight) required by the counterweight block is reduced, and the effect of reducing the mass of the operation trolley is achieved. Meanwhile, by adopting the design of double steel wire ropes, when one steel wire rope fails, the other steel wire rope still can meet the requirement of normal work, and the stability of the operation trolley is further improved.

Further, a plurality of weight reduction grooves 11 are formed in the upright post 121, so that the weight of the operation trolley can be further reduced on the premise that the stability of the upright post 121 is not affected.

Further, the susceptor 9 is connected to the robot arm 130 through a flange, so that the robot arm can be easily replaced. In a specific embodiment, the surgical trolley of the invention is further provided with a brake mechanism for controlling the rotation of the fixed pulley 7, and when the brake mechanism acts on the fixed pulley 7, the brake mechanism prevents the fixed pulley 7 from rotating back and forth, so that the movable pulley 6 cannot slide up and down on the guide rail. Such a mode of setting can realize unexpected outage or when changing arm 130, prevent that inside balancing weight from sliding on the guide rail including, can also guarantee to be not suitable for this operating table vehicle-hour, can make arm 130 stabilize in a certain position.

In the above embodiments of the upright post of the present invention, the number of the guide rails may be one or more, and the guide rails may be designed according to actual needs. When the vertical guide rails are multiple, the multiple vertical guide rails are arranged on the outer side wall of the periphery of the upright post 121 at intervals. Each vertical guide rail is fixedly connected with the outer wall of one side of the upright 121, as shown in fig. 1 and 2, the upright 121 of the present invention is rectangular, and four mechanical arms 130 are disposed on the upright 121, that is, the vertical guide rails are disposed on the four side walls around the upright 121. Of course, other numbers of the mechanical arms 130, such as two, three, or five or more, may be provided, and the structure of the upright 121 is not limited to the rectangular parallelepiped shape, and may also be provided in other shapes, and is not particularly limited herein.

The operation trolley has the advantages of simple structure and stable performance, and further enhances the stability and safety of the steel wire rope head seat, and prevents the fault of the operation trolley caused by the falling off of the steel wire rope head seat.

The above technical solution is only one embodiment of the present invention, and it is easy for those skilled in the art to make various modifications or variations based on the application method and principle of the present invention disclosed, and not limited to the method described in the above specific embodiment of the present invention. While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The operation trolley is characterized by comprising a stand column, wherein at least one side of the upper end of the side wall of the stand column is connected with a rope head seat for fixing one end of a steel wire rope, the rope head seat comprises a horizontal part and a vertical part connected with the horizontal part, the vertical part is connected with the side wall of the stand column, and one end of the steel wire rope is fixed on the horizontal part; a convex block is convexly arranged at the upper end of the side wall of the upright post and is connected with the vertical part; the lug is connected with the vertical part through a plurality of screws and pin shafts arranged between two adjacent screws; the two sides of the upper end of the side wall of the upright post are respectively connected with the rope head seat, the other end of the steel wire rope sequentially bypasses the movable pulley and the fixed pulley and is connected to the counterweight block, and the axial direction of the movable pulley is vertical to the axial direction of the fixed pulley;

the movable pulley is connected with a sliding block, and the sliding block is used for fixedly mounting a mechanical arm;

the operation trolley is further provided with a brake mechanism for controlling the fixed pulley to rotate, and when the brake mechanism acts on the fixed pulley, the brake mechanism prevents the fixed pulley from rotating back and forth.

2. The surgical trolley of claim 1 wherein the side wall of the upright is provided with a guide rail, the guide rail is provided with a slide block, the movable pulley is connected with a connecting block, the connecting block is fixedly connected with the slide block, and the slide block is connected with the mechanical arm of the surgical trolley through a base.

3. The surgical trolley of claim 2 wherein the upright post has a plurality of weight-reducing slots formed therein.

4. The surgical trolley of claim 3 wherein the base is connected to the robotic arm by a flange.

5. A surgical trolley according to any one of claims 1 to 4, characterised in that at least one side of the upper ends of the four side walls of the upright is provided with a respective said socket.

6. The surgical trolley of claim 1 wherein the lower portion of the upright is connected to a base of the surgical trolley, and the base is provided at a bottom thereof with a rolling wheel and a brake mechanism for controlling the rolling wheel to roll.